Patents by Inventor Ben'en Liu

Ben'en Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for producing both steam power and cement clinker simultaneously in one apparatus its products, apparatus and use
    Patent number: 6468345
    Abstract: The present invention discloses a process for producing both steam power and the fast-burnt cement clinker/fast burnt modified coal ash simultaneously in one apparatus, the fast-burnt cement clinker/fast-burnt modified coal ash prepared by said process as well as cement products prepared using them as active substance. It also discloses the apparatus suitable for embodying this process. Said process of the present invention possesses the technoligical features of fast-burning and fast-cooling and contributes a good hydraulic cementitious activity to the said fast-burnt cement clinker/fast-burnt modified coal ash which are capable of being directly used as active substance in cement production of high quality.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: October 22, 2002
    Assignee: The Chinese Academy of Sciences
    Inventors: Xuefang Zhu, Ben'en Liu